{
private void Page_Load(object sender, System.EventArgs e)
{
// get the file name -- fall800.jpgstring file = Request.QueryString["file"];
// create an image object, using the filename we just retrieved
System.Drawing.Image image = System.Drawing.Image.FromFile(Server.MapPath(file));
// create the actual thumbnail image
System.Drawing.Image thumbnailImage = image.GetThumbnailImage(160, 120, new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback), IntPtr.Zero);
// make a memory stream to work with the image bytes
MemoryStream imageStream = new MemoryStream();
// put the image into the memory stream
thumbnailImage.Save(imageStream, System.Drawing.Imaging.ImageFormat.Jpeg);//Imaging.Imageformat.Jpeg);
// make byte array the same size as the image
byte[] imageContent = new Byte[imageStream.Length];
// rewind the memory stream
imageStream.Position = 0;
// load the byte array with the image
imageStream.Read(imageContent, 0, (int)imageStream.Length);
// return byte array to caller with image type
Response.ContentType = "image/jpeg";
Response.BinaryWrite(imageContent);
}
public bool ThumbnailCallback()
{
return true;
}
HTML tag
img src='wallpaper/MakeThumbnail.aspx?file=<%# DataBinder.Eval(Container.DataItem,"image_path") %>'
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